X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/12ef307d711481d78cf498276f3a614fc99c5e48..a263e4f607af0edf3aadcde29be577660d84fe2d:/terminal.c diff --git a/terminal.c b/terminal.c index 68363c0c..db024adf 100644 --- a/terminal.c +++ b/terminal.c @@ -1174,10 +1174,10 @@ static void toggle_mode(Terminal *term, int mode, int query, int state) if (query) switch (mode) { - case 1: /* application cursor keys */ + case 1: /* DECCKM: application cursor keys */ term->app_cursor_keys = state; break; - case 2: /* VT52 mode */ + case 2: /* DECANM: VT52 mode */ term->vt52_mode = !state; if (term->vt52_mode) { term->blink_is_real = FALSE; @@ -1186,7 +1186,7 @@ static void toggle_mode(Terminal *term, int mode, int query, int state) term->blink_is_real = term->cfg.blinktext; } break; - case 3: /* 80/132 columns */ + case 3: /* DECCOLM: 80/132 columns */ deselect(term); if (!term->cfg.no_remote_resize) request_resize(term->frontend, state ? 132 : 80, term->rows); @@ -1196,7 +1196,7 @@ static void toggle_mode(Terminal *term, int mode, int query, int state) move(term, 0, 0, 0); erase_lots(term, FALSE, TRUE, TRUE); break; - case 5: /* reverse video */ + case 5: /* DECSCNM: reverse video */ /* * Toggle reverse video. If we receive an OFF within the * visual bell timeout period after an ON, we trigger an @@ -1225,21 +1225,21 @@ static void toggle_mode(Terminal *term, int mode, int query, int state) if (state) term_update(term); break; - case 6: /* DEC origin mode */ + case 6: /* DECOM: DEC origin mode */ term->dec_om = state; break; - case 7: /* auto wrap */ + case 7: /* DECAWM: auto wrap */ term->wrap = state; break; - case 8: /* auto key repeat */ + case 8: /* DECARM: auto key repeat */ term->repeat_off = !state; break; - case 10: /* set local edit mode */ + case 10: /* DECEDM: set local edit mode */ term->term_editing = state; if (term->ldisc) /* cause ldisc to notice changes */ ldisc_send(term->ldisc, NULL, 0, 0); break; - case 25: /* enable/disable cursor */ + case 25: /* DECTCEM: enable/disable cursor */ compatibility2(OTHER, VT220); term->cursor_on = state; term->seen_disp_event = TRUE; @@ -1282,19 +1282,19 @@ static void toggle_mode(Terminal *term, int mode, int query, int state) break; } else switch (mode) { - case 4: /* set insert mode */ + case 4: /* IRM: set insert mode */ compatibility(VT102); term->insert = state; break; - case 12: /* set echo mode */ + case 12: /* SRM: set echo mode */ term->term_echoing = !state; if (term->ldisc) /* cause ldisc to notice changes */ ldisc_send(term->ldisc, NULL, 0, 0); break; - case 20: /* Return sends ... */ + case 20: /* LNM: Return sends ... */ term->cr_lf_return = state; break; - case 34: /* Make cursor BIG */ + case 34: /* WYULCURM: Make cursor BIG */ compatibility2(OTHER, VT220); term->big_cursor = !state; } @@ -1602,7 +1602,7 @@ void term_out(Terminal *term) /* Or normal C0 controls. */ if ((c & -32) == 0 && term->termstate < DO_CTRLS) { switch (c) { - case '\005': /* terminal type query */ + case '\005': /* ENQ: terminal type query */ /* Strictly speaking this is VT100 but a VT100 defaults to * no response. Other terminals respond at their option. * @@ -1634,7 +1634,7 @@ void term_out(Terminal *term) abuf, d - abuf, 0); } break; - case '\007': + case '\007': /* BEL: Bell */ { struct beeptime *newbeep; unsigned long ticks; @@ -1700,7 +1700,7 @@ void term_out(Terminal *term) term->disptop = 0; } break; - case '\b': + case '\b': /* BS: Back space */ if (term->curs.x == 0 && (term->curs.y == 0 || term->wrap == 0)) /* do nothing */ ; @@ -1713,15 +1713,15 @@ void term_out(Terminal *term) fix_cpos; term->seen_disp_event = TRUE; break; - case '\016': + case '\016': /* LS1: Locking-shift one */ compatibility(VT100); term->cset = 1; break; - case '\017': + case '\017': /* LS0: Locking-shift zero */ compatibility(VT100); term->cset = 0; break; - case '\033': + case '\033': /* ESC: Escape */ if (term->vt52_mode) term->termstate = VT52_ESC; else { @@ -1730,7 +1730,7 @@ void term_out(Terminal *term) term->esc_query = FALSE; } break; - case '\015': + case '\015': /* CR: Carriage return */ term->curs.x = 0; term->wrapnext = FALSE; fix_cpos; @@ -1739,7 +1739,7 @@ void term_out(Terminal *term) if (term->logctx) logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII); break; - case '\014': + case '\014': /* FF: Form feed */ if (has_compat(SCOANSI)) { move(term, 0, 0, 0); erase_lots(term, FALSE, FALSE, TRUE); @@ -1748,9 +1748,9 @@ void term_out(Terminal *term) term->seen_disp_event = 1; break; } - case '\013': + case '\013': /* VT: Line tabulation */ compatibility(VT100); - case '\012': + case '\012': /* LF: Line feed */ if (term->curs.y == term->marg_b) scroll(term, term->marg_t, term->marg_b, 1, TRUE); else if (term->curs.y < term->rows - 1) @@ -1764,7 +1764,7 @@ void term_out(Terminal *term) if (term->logctx) logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII); break; - case '\t': + case '\t': /* HT: Character tabulation */ { pos old_curs = term->curs; unsigned long *ldata = lineptr(term->curs.y); @@ -1910,36 +1910,36 @@ void term_out(Terminal *term) } term->termstate = TOPLEVEL; switch (ANSI(c, term->esc_query)) { - case '[': /* enter CSI mode */ + case '[': /* enter CSI mode */ term->termstate = SEEN_CSI; term->esc_nargs = 1; term->esc_args[0] = ARG_DEFAULT; term->esc_query = FALSE; break; - case ']': /* xterm escape sequences */ + case ']': /* OSC: xterm escape sequences */ /* Compatibility is nasty here, xterm, linux, decterm yuk! */ compatibility(OTHER); term->termstate = SEEN_OSC; term->esc_args[0] = 0; break; - case '7': /* save cursor */ + case '7': /* DECSC: save cursor */ compatibility(VT100); save_cursor(term, TRUE); break; - case '8': /* restore cursor */ + case '8': /* DECRC: restore cursor */ compatibility(VT100); save_cursor(term, FALSE); term->seen_disp_event = TRUE; break; - case '=': + case '=': /* DECKPAM: Keypad application mode */ compatibility(VT100); term->app_keypad_keys = TRUE; break; - case '>': + case '>': /* DECKPNM: Keypad numeric mode */ compatibility(VT100); term->app_keypad_keys = FALSE; break; - case 'D': /* exactly equivalent to LF */ + case 'D': /* IND: exactly equivalent to LF */ compatibility(VT100); if (term->curs.y == term->marg_b) scroll(term, term->marg_t, term->marg_b, 1, TRUE); @@ -1949,7 +1949,7 @@ void term_out(Terminal *term) term->wrapnext = FALSE; term->seen_disp_event = TRUE; break; - case 'E': /* exactly equivalent to CR-LF */ + case 'E': /* NEL: exactly equivalent to CR-LF */ compatibility(VT100); term->curs.x = 0; if (term->curs.y == term->marg_b) @@ -1960,7 +1960,7 @@ void term_out(Terminal *term) term->wrapnext = FALSE; term->seen_disp_event = TRUE; break; - case 'M': /* reverse index - backwards LF */ + case 'M': /* RI: reverse index - backwards LF */ compatibility(VT100); if (term->curs.y == term->marg_t) scroll(term, term->marg_t, term->marg_b, -1, TRUE); @@ -1970,13 +1970,13 @@ void term_out(Terminal *term) term->wrapnext = FALSE; term->seen_disp_event = TRUE; break; - case 'Z': /* terminal type query */ + case 'Z': /* DECID: terminal type query */ compatibility(VT100); if (term->ldisc) ldisc_send(term->ldisc, term->id_string, strlen(term->id_string), 0); break; - case 'c': /* restore power-on settings */ + case 'c': /* RIS: restore power-on settings */ compatibility(VT100); power_on(term); if (term->ldisc) /* cause ldisc to notice changes */ @@ -1990,12 +1990,12 @@ void term_out(Terminal *term) term->disptop = 0; term->seen_disp_event = TRUE; break; - case 'H': /* set a tab */ + case 'H': /* HTS: set a tab */ compatibility(VT100); term->tabs[term->curs.x] = TRUE; break; - case ANSI('8', '#'): /* ESC # 8 fills screen with Es :-) */ + case ANSI('8', '#'): /* DECALN: fills screen with Es :-) */ compatibility(VT100); { unsigned long *ldata; @@ -2026,16 +2026,16 @@ void term_out(Terminal *term) unsigned long nlattr; unsigned long *ldata; switch (ANSI(c, term->esc_query)) { - case ANSI('3', '#'): + case ANSI('3', '#'): /* DECDHL: 2*height, top */ nlattr = LATTR_TOP; break; - case ANSI('4', '#'): + case ANSI('4', '#'): /* DECDHL: 2*height, bottom */ nlattr = LATTR_BOT; break; - case ANSI('5', '#'): + case ANSI('5', '#'): /* DECSWL: normal */ nlattr = LATTR_NORM; break; - default: /* spiritually case ANSI('6', '#'): */ + default: /* case ANSI('6', '#'): DECDWL: 2*width */ nlattr = LATTR_WIDE; break; } @@ -2044,7 +2044,7 @@ void term_out(Terminal *term) ldata[term->cols] |= nlattr; } break; - + /* GZD4: G0 designate 94-set */ case ANSI('A', '('): compatibility(VT100); if (!term->cfg.no_remote_charset) @@ -2065,7 +2065,7 @@ void term_out(Terminal *term) if (!term->cfg.no_remote_charset) term->cset_attr[0] = ATTR_SCOACS; break; - + /* G1D4: G1-designate 94-set */ case ANSI('A', ')'): compatibility(VT100); if (!term->cfg.no_remote_charset) @@ -2086,7 +2086,7 @@ void term_out(Terminal *term) if (!term->cfg.no_remote_charset) term->cset_attr[1] = ATTR_SCOACS; break; - + /* DOCS: Designate other coding system */ case ANSI('8', '%'): /* Old Linux code */ case ANSI('G', '%'): compatibility(OTHER); @@ -2124,59 +2124,59 @@ void term_out(Terminal *term) term->termstate = SEEN_CSI; } else switch (ANSI(c, term->esc_query)) { - case 'A': /* move up N lines */ + case 'A': /* CUU: move up N lines */ move(term, term->curs.x, term->curs.y - def(term->esc_args[0], 1), 1); term->seen_disp_event = TRUE; break; - case 'e': /* move down N lines */ + case 'e': /* VPR: move down N lines */ compatibility(ANSI); /* FALLTHROUGH */ - case 'B': + case 'B': /* CUD: Cursor down */ move(term, term->curs.x, term->curs.y + def(term->esc_args[0], 1), 1); term->seen_disp_event = TRUE; break; - case ANSI('c', '>'): /* report xterm version */ + case ANSI('c', '>'): /* DA: report xterm version */ compatibility(OTHER); /* this reports xterm version 136 so that VIM can use the drag messages from the mouse reporting */ if (term->ldisc) ldisc_send(term->ldisc, "\033[>0;136;0c", 11, 0); break; - case 'a': /* move right N cols */ + case 'a': /* HPR: move right N cols */ compatibility(ANSI); /* FALLTHROUGH */ - case 'C': + case 'C': /* CUF: Cursor right */ move(term, term->curs.x + def(term->esc_args[0], 1), term->curs.y, 1); term->seen_disp_event = TRUE; break; - case 'D': /* move left N cols */ + case 'D': /* CUB: move left N cols */ move(term, term->curs.x - def(term->esc_args[0], 1), term->curs.y, 1); term->seen_disp_event = TRUE; break; - case 'E': /* move down N lines and CR */ + case 'E': /* CNL: move down N lines and CR */ compatibility(ANSI); move(term, 0, term->curs.y + def(term->esc_args[0], 1), 1); term->seen_disp_event = TRUE; break; - case 'F': /* move up N lines and CR */ + case 'F': /* CPL: move up N lines and CR */ compatibility(ANSI); move(term, 0, term->curs.y - def(term->esc_args[0], 1), 1); term->seen_disp_event = TRUE; break; - case 'G': - case '`': /* set horizontal posn */ + case 'G': /* CHA */ + case '`': /* HPA: set horizontal posn */ compatibility(ANSI); move(term, def(term->esc_args[0], 1) - 1, term->curs.y, 0); term->seen_disp_event = TRUE; break; - case 'd': /* set vertical posn */ + case 'd': /* VPA: set vertical posn */ compatibility(ANSI); move(term, term->curs.x, ((term->dec_om ? term->marg_t : 0) + @@ -2184,8 +2184,8 @@ void term_out(Terminal *term) (term->dec_om ? 2 : 0)); term->seen_disp_event = TRUE; break; - case 'H': - case 'f': /* set horz and vert posns at once */ + case 'H': /* CUP */ + case 'f': /* HVP: set horz and vert posns at once */ if (term->esc_nargs < 2) term->esc_args[1] = ARG_DEFAULT; move(term, def(term->esc_args[1], 1) - 1, @@ -2194,7 +2194,7 @@ void term_out(Terminal *term) (term->dec_om ? 2 : 0)); term->seen_disp_event = TRUE; break; - case 'J': /* erase screen or parts of it */ + case 'J': /* ED: erase screen or parts of it */ { unsigned int i = def(term->esc_args[0], 0) + 1; if (i > 3) @@ -2204,7 +2204,7 @@ void term_out(Terminal *term) term->disptop = 0; term->seen_disp_event = TRUE; break; - case 'K': /* erase line or parts of it */ + case 'K': /* EL: erase line or parts of it */ { unsigned int i = def(term->esc_args[0], 0) + 1; if (i > 3) @@ -2213,7 +2213,7 @@ void term_out(Terminal *term) } term->seen_disp_event = TRUE; break; - case 'L': /* insert lines */ + case 'L': /* IL: insert lines */ compatibility(VT102); if (term->curs.y <= term->marg_b) scroll(term, term->curs.y, term->marg_b, @@ -2221,7 +2221,7 @@ void term_out(Terminal *term) fix_cpos; term->seen_disp_event = TRUE; break; - case 'M': /* delete lines */ + case 'M': /* DL: delete lines */ compatibility(VT102); if (term->curs.y <= term->marg_b) scroll(term, term->curs.y, term->marg_b, @@ -2230,25 +2230,25 @@ void term_out(Terminal *term) fix_cpos; term->seen_disp_event = TRUE; break; - case '@': /* insert chars */ + case '@': /* ICH: insert chars */ /* XXX VTTEST says this is vt220, vt510 manual says vt102 */ compatibility(VT102); insch(term, def(term->esc_args[0], 1)); term->seen_disp_event = TRUE; break; - case 'P': /* delete chars */ + case 'P': /* DCH: delete chars */ compatibility(VT102); insch(term, -def(term->esc_args[0], 1)); term->seen_disp_event = TRUE; break; - case 'c': /* terminal type query */ + case 'c': /* DA: terminal type query */ compatibility(VT100); /* This is the response for a VT102 */ if (term->ldisc) ldisc_send(term->ldisc, term->id_string, strlen(term->id_string), 0); break; - case 'n': /* cursor position query */ + case 'n': /* DSR: cursor position query */ if (term->ldisc) { if (term->esc_args[0] == 6) { char buf[32]; @@ -2260,7 +2260,7 @@ void term_out(Terminal *term) } } break; - case 'h': /* toggle modes to high */ + case 'h': /* SM: toggle modes to high */ case ANSI_QUE('h'): compatibility(VT100); { @@ -2270,7 +2270,7 @@ void term_out(Terminal *term) term->esc_query, TRUE); } break; - case 'i': + case 'i': /* MC: Media copy */ case ANSI_QUE('i'): compatibility(VT100); { @@ -2286,7 +2286,7 @@ void term_out(Terminal *term) } } break; - case 'l': /* toggle modes to low */ + case 'l': /* RM: toggle modes to low */ case ANSI_QUE('l'): compatibility(VT100); { @@ -2296,7 +2296,7 @@ void term_out(Terminal *term) term->esc_query, FALSE); } break; - case 'g': /* clear tabs */ + case 'g': /* TBC: clear tabs */ compatibility(VT100); if (term->esc_nargs == 1) { if (term->esc_args[0] == 0) { @@ -2308,7 +2308,7 @@ void term_out(Terminal *term) } } break; - case 'r': /* set scroll margins */ + case 'r': /* DECSTBM: set scroll margins */ compatibility(VT100); if (term->esc_nargs <= 2) { int top, bot; @@ -2342,7 +2342,7 @@ void term_out(Terminal *term) } } break; - case 'm': /* set graphics rendition */ + case 'm': /* SGR: set graphics rendition */ { /* * A VT100 without the AVO only had one @@ -2506,7 +2506,7 @@ void term_out(Terminal *term) save_cursor(term, FALSE); term->seen_disp_event = TRUE; break; - case 't': /* set page size - ie window height */ + case 't': /* DECSLPP: set page size - ie window height */ /* * VT340/VT420 sequence DECSLPP, DEC only allows values * 24/25/36/48/72/144 other emulators (eg dtterm) use @@ -2641,7 +2641,7 @@ void term_out(Terminal *term) } } break; - case 'S': + case 'S': /* SU: Scroll up */ compatibility(SCOANSI); scroll(term, term->marg_t, term->marg_b, def(term->esc_args[0], 1), TRUE); @@ -2649,7 +2649,7 @@ void term_out(Terminal *term) term->wrapnext = FALSE; term->seen_disp_event = TRUE; break; - case 'T': + case 'T': /* SD: Scroll down */ compatibility(SCOANSI); scroll(term, term->marg_t, term->marg_b, -def(term->esc_args[0], 1), TRUE); @@ -2657,11 +2657,12 @@ void term_out(Terminal *term) term->wrapnext = FALSE; term->seen_disp_event = TRUE; break; - case ANSI('|', '*'): - /* VT420 sequence DECSNLS + case ANSI('|', '*'): /* DECSNLS */ + /* * Set number of lines on screen - * VT420 uses VGA like hardware and can support any size in - * reasonable range (24..49 AIUI) with no default specified. + * VT420 uses VGA like hardware and can + * support any size in reasonable range + * (24..49 AIUI) with no default specified. */ compatibility(VT420); if (term->esc_nargs == 1 && term->esc_args[0] > 0) { @@ -2672,10 +2673,11 @@ void term_out(Terminal *term) deselect(term); } break; - case ANSI('|', '$'): - /* VT340/VT420 sequence DECSCPP + case ANSI('|', '$'): /* DECSCPP */ + /* * Set number of columns per page - * Docs imply range is only 80 or 132, but I'll allow any. + * Docs imply range is only 80 or 132, but + * I'll allow any. */ compatibility(VT340TEXT); if (term->esc_nargs <= 1) { @@ -2686,8 +2688,9 @@ void term_out(Terminal *term) deselect(term); } break; - case 'X': /* write N spaces w/o moving cursor */ - /* XXX VTTEST says this is vt220, vt510 manual says vt100 */ + case 'X': /* ECH: write N spaces w/o moving cursor */ + /* XXX VTTEST says this is vt220, vt510 manual + * says vt100 */ compatibility(ANSIMIN); { int n = def(term->esc_args[0], 1); @@ -2705,7 +2708,7 @@ void term_out(Terminal *term) term->seen_disp_event = TRUE; } break; - case 'x': /* report terminal characteristics */ + case 'x': /* DECREQTPARM: report terminal characteristics */ compatibility(VT100); if (term->ldisc) { char buf[32]; @@ -2717,7 +2720,7 @@ void term_out(Terminal *term) } } break; - case 'Z': /* BackTab for xterm */ + case 'Z': /* CBT: BackTab for xterm */ compatibility(OTHER); { int i = def(term->esc_args[0], 1); @@ -2805,7 +2808,7 @@ void term_out(Terminal *term) (term->curr_attr & (ATTR_FGMASK | ATTR_BGMASK))); break; - case ANSI('p', '"'): + case ANSI('p', '"'): /* DECSCL: set compat level */ /* * Allow the host to make this emulator a * 'perfect' VT102. This first appeared in